crwdns2933897:0crwdne2933897:0

My nook HD is stuck on white screen?

I have tried soft reset and even a hard reset but still it comes back with just a white screen with nothing on, I don't even get the boot up nook symbol or percentage?

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2853045:0crwdne2853045:0 crwdns2853046:0crwdne2853046:0
crwdns2889612:0crwdne2889612:0 1
crwdns2934285:0crwdne2934285:0